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Feed-in Tariff And Market Electricity Price Comparison: The Case Of Cogeneration Units In Croatia

机译：上网电价与市场电价比较：以克罗地亚热电联产机组为例

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摘要

In August 2007, the Government of the Republic of Croatia instituted a feed-in tariff system, requiring the Croatian Electricity Market Operator (HROTE) to off-take the electricity produced from renewable energy sources or cogeneration units fueled by natural gas. Analysis of the off-take electricity price range, which depends on the net electrical output and electricity market trends, indicates that it is more cost effective for cogeneration units greater than 1 MW to sell their electricity on the exchange market. This was confirmed by developing a mathematical model to calculate the cost-effectiveness ratio of a cogeneration unit. This ratio represents the relation between the profit spread, i.e. the difference between the profit generated from selling the electricity on the exchange market and the profit made from dispatching the electricity to HROTE, as well as the total investment costs. The model can be applied for changes in certain parameters, such as the net electrical output, volatility and spot electricity price. The Monte Carlo method is used to obtain the most probable cost-effectiveness ratio and average future electricity price. Together with these two economic parameters and market price analysis, it is possible to calculate and calibrate an acceptable off-take electricity price.
机译：2007年8月，克罗地亚共和国政府建立了上网电价制度，要求克罗地亚电力市场运营商（HROTE）承购可再生能源或以天然气为燃料的热电联产装置产生的电力。对取决于电力输出净额和电力市场趋势的承购用电价格范围的分析表明，大于1兆瓦的热电联产机组在交换市场上出售其电力更具成本效益。通过开发数学模型来计算热电联产机组的成本效益比，可以证实这一点。该比率表示利润分布之间的关系，即在交易所市场上出售电力所产生的利润与向HROTE分配电力所获得的利润之间的差额，以及总投资成本。该模型可用于某些参数的变化，例如净电力输出，波动性和现货电价。蒙特卡罗方法用于获得最可能的成本效益比和未来平均电价。结合这两个经济参数和市场价格分析，可以计算和校准可接受的购电价。

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